package 异常处理.手动;

import 异常处理.自定义.MyException;

/**
 * @Projectname java_based
 * @Filename StudentTest
 * @Author an
 * @Data 2022/7/8 8:41
 * @Description TODO
 */
public class StudentTest {
    public static void main(String[] args) {
        try {
            Student s = new Student();
//		s.regist(1001);
            s.regist(-1001);
            System.out.println(s);
        } catch (Exception e) {
//			e.printStackTrace();
            System.out.println(e.getMessage());
        }
    }
}
class Student{
    private int id;

    public void regist(int id) throws Exception{
        if(id > 0){
            this.id = id;
        }else{
//			System.out.println("您输入的数据非法！");
            //手动抛出异常
//			throw new RuntimeException("您输入的数据非法！");
//            throw new Exception("您输入的数据非法！");

            throw new MyException("不能输出负数");
        }
    }

    @Override
    public String toString() {
        return "Student [id=" + id + "]";
    }

}
